311202102023130 has 16 divisors (see below), whose sum is σ = 746885044855584. Its totient is φ = 82987227206160.

The previous prime is 311202102023101. The next prime is 311202102023203. The reversal of 311202102023130 is 31320201202113.

It is a super-2 number, since 2×311202102023130² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311202102023097 and 311202102023106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5186701700356 + ... + 5186701700415.

It is an arithmetic number, because the mean of its divisors is an integer number (46680315303474).

Almost surely, 2^{311202102023130} is an apocalyptic number.

311202102023130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311202102023130 is an abundant number, since it is smaller than the sum of its proper divisors (435682942832454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311202102023130 is a wasteful number, since it uses less digits than its factorization.

311202102023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10373403400781.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 311202102023130 its reverse (31320201202113), we get a palindrome (342522303225243).

The spelling of 311202102023130 in words is "three hundred eleven trillion, two hundred two billion, one hundred two million, twenty-three thousand, one hundred thirty".